@article{JMLR:v16:lopezpaz15a,
  author  = {David Lopez-Paz and Krikamol Muandet and Benjamin Recht},
  title   = {The Randomized Causation Coefficient},
  journal = {Journal of Machine Learning Research},
  year    = {2015},
  volume  = {16},
  number  = {90},
  pages   = {2901--2907},
  url     = {http://jmlr.org/papers/v16/lopezpaz15a.html}
}